Saint Julia of Corsica (Italian: Santa Giulia da Corsica; French: Sainte Julie; Corsican: Santa Ghjulia; Latin: Sancta Iulia), also known as Saint Julia of Carthage, and more rarely Saint Julia of Nonza, was a virgin martyr who is venerated as a Christian saint. The date of her death is most probably on or after AD 439. She and Saint Devota are the patron saints of Corsica in the Catholic Church. Saint Julia was declared a patroness of Corsica by the Church on 5 August 1809
The story about what was done to her is very cruel, those interested can read so here.
Artists that illustrated this martyr chose various scenes, leaving out the cruelty or embracing it.